Contra

Contra Japan	Nintendo - Game Boy	1991
Contra - The Alien Wars USA SGB Enhanced	Nintendo - Game Boy	1994
Contra Spirits Japan SGB Enhanced	Nintendo - Game Boy	1994
Operation C USA	Nintendo - Game Boy	1991
Probotector Europe	Nintendo - Game Boy	1991
Trappers Tengoku - Spy vs Spy Japan	Nintendo - Game Boy	1992
Probotector 2 Europe Beta	Nintendo - Game Boy	0
Probotector 2 Europe SGB Enhanced	Nintendo - Game Boy	0
Spy vs Spy - Operation Boobytrap Europe	Nintendo - Game Boy	0
Spy vs Spy - Operation Boobytrap USA	Nintendo - Game Boy	0
Contra USA	Nintendo - Nintendo Entertainment System	1988
Contra Japan	Nintendo - Nintendo Entertainment System	1988
Contra Force USA	Nintendo - Nintendo Entertainment System	1992
Probotector Europe	Nintendo - Nintendo Entertainment System	1988
Probotector II - Return of the Evil Forces Europe	Nintendo - Nintendo Entertainment System	1990
Super C USA	Nintendo - Nintendo Entertainment System	1990
Super Contra Japan	Nintendo - Nintendo Entertainment System	1990
Contra Japan Sample	Nintendo - Nintendo Entertainment System	0
Super Cartridge Ver 1 - 4 in 1 Asia Ja Unl	Nintendo - Nintendo Entertainment System	0
Super Cartridge Ver 2 - 10 in 1 Asia Ja Unl	Nintendo - Nintendo Entertainment System	0
Super Cartridge Ver 3 - 8 in 1 Asia Ja Unl	Nintendo - Nintendo Entertainment System	0
Super Cartridge Ver 4 - 6 in 1 Asia Ja Unl	Nintendo - Nintendo Entertainment System	0
Super Cartridge Ver 5 - 7 in 1 Asia Ja Unl	Nintendo - Nintendo Entertainment System	0
Super Cartridge Ver 6 - 6 in 1 Asia Ja Unl	Nintendo - Nintendo Entertainment System	0
Super Cartridge Ver 7 - 4 in 1 Asia Ja Unl	Nintendo - Nintendo Entertainment System	0
Super Cartridge Ver 8 - 4 in 1 Asia Ja Unl	Nintendo - Nintendo Entertainment System	0
Super Cartridge Ver 9 - 3 in 1 Asia Ja Unl	Nintendo - Nintendo Entertainment System	0
Contra III - The Alien Wars USA	Nintendo - Super Nintendo Entertainment System	1992
Contra Spirits Japan	Nintendo - Super Nintendo Entertainment System	1992
Super Probotector - Alien Rebels Europe	Nintendo - Super Nintendo Entertainment System	1992
Contra III - The Alien Wars USA Beta	Nintendo - Super Nintendo Entertainment System	0
Contra IV - The Alien Wars USA Beta	Nintendo - Super Nintendo Entertainment System	0
Contra Spirits Japan Demo	Nintendo - Super Nintendo Entertainment System	0
Super Probotector - Alien Rebels Europe Sample	Nintendo - Super Nintendo Entertainment System	0
Contra - Hard Corps USA Korea	Sega - Mega Drive - Genesis	1994
Contra - The Hard Corps Japan	Sega - Mega Drive - Genesis	1994
Probotector Europe En Fr De	Sega - Mega Drive - Genesis	1994
Contra Advance - The Alien Wars EX USA	Nintendo - Game Boy Advance	2002
Contra Advance - The Alien Wars EX Europe	Nintendo - Game Boy Advance	2002
Contra Hard Spirits Japan En	Nintendo - Game Boy Advance	2002
Contra Advance USA Beta	Nintendo - Game Boy Advance	0